Confirmation of Covid 19 The patient's clinical condition confirms the indication for hospitalization. Chest CT scan shows more than 25% of pulmonary involvement. SPO2 equal to or less than 94% on the day of admission Hemoglobin should be less than 12 g / dl (women) and less than 13 g / dl (men) on the day of admission. Absence of absolute or partial contraindications including history of allergies, anaphylaxis, history of thrombosis, pregnancy Satisfaction of the patient or his/her legal companions to participate in the study

Confirmation of Covid 19 The patient's clinical condition confirms the indication for hospitalization. Chest CT scan shows more than 25% of pulmonary involvement. SPO2 equal to or less than 94% on the day of admission Hemoglobin should be less than 12 g / dl (women) and less than 13 g / dl (men) on the day of admission. Absence of absolute or partial contraindications including history of allergies, anaphylaxis, history of thrombosis, pregnancy Satisfaction of the patient or his/her legal companions to participate in the study